http_bemfa_wechat.begin(client_bemfa_wechat,"http://go.bemfa.com/v1/sendwechatcard?uid={{&uid}}&title={{&title}}&msg={{&msg}}");
httpCode = http_bemfa_wechat.GET();
if (httpCode > 0) {
  String payload = http_bemfa_wechat.getString();
  Serial.println(payload);
}
http_bemfa_wechat.end();
